Expired, full termArchiveSolo inventor
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US 1,192,000 A
Overview
The published document from the USPTO: abstract, claims, description and drawings. Open it full size
Read the whole patent
Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted July 25, 1916. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by July 25, 1933.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
Filed—
GrantedJuly 25, 1916
Term endedJuly 25, 1933
Application number—
Classification (CPC)E05F3/108
Length7 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.